Punto :

Punto is a tool to plotting particles written for X. It reads
data from a file and display them in a X window in several
ways. Like dots, circles, squares and spheres. It can plot also
vectorial fields. The output can be in one, two or three
dimensions. It is possible to zoom in and out, rotate in
three dimensions, draw periodic images, ...
Produce animations in a easy way from your data files. More
info: README.Install instructions:
INSTALL